HANSUN 
QSFP28 Direct Attach Cables are compliant with the SFF-8665 specifications. SFP28 Direct Attach Cables are compliant with SFF-8432 and SFF-8402 specifications. Various choices of wire gauge are available from 30 to 26 AWG with various choices of cable length (up to 5m).
Mechanical SpecificationsOrdering Information
| Parameter | Minimum | Typical | Maximum | Unit |
| Cable Diameter (26AWG) | – | 0.220 | – | Inches |
| Bend Radius (26AWG) | 1.102 | – | – | Inches |
| Cable Diameter (28AWG) | – | 0.185 | – | Inches |
| Bend Radius (28AWG) | 0.925 | – | – | Inches |
| Cable Diameter (30 AWG) | – | 0.181 | — | Inches |
| Bend Radius (30 AWG) | 0.906 | – | – | Inches |
| Within Pair Skew | – | – | 100 | ps/10m |
| Cable Insertion Loss | – | 15.43 | – | dB/5m |
| Bulk Cable Time Delay | – | – | 5.2 | ns/m |
| Bulk Cable Impedance | 95 | 100 | 105 | Ohms |
| Insertion Force | – | – | 40 | N |
| Withdrawal Force | – | – | 30 | N |
| Retention Force | 90 | – | – | N |
| Durability | 50 Cycles | – | – | – |
